Apparatus for heating a mold for an injection molding system

Details Apparatus for heating a mold for an injection molding system Apparatus for heating a mold for an injection molding system

1996-03-22

1998-06-09

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Temperature control

26432816, 264402, 264403, 4251744, 4251748R, 425DIG110, 425DIG246, B29C 4573

Patent

active

057629722

ABSTRACT:
An apparatus performs induction heating or dielectric heating of a mold for an injection molding system up to a desired temperature within a short time by using high frequencies or microwaves. The electric current of high frequency generated from a high frequency generator flows through a coil embedded in the mold to induction-heat the mold by an induction phenomenon with the mold, and microwaves from a microwave generator heats the dielectric material within the mold, thereby preventing cooling of the mold when a resin fluid is injected into a cavity.

REFERENCES:
patent: 2569919 (1951-10-01), Bertrand et al.
patent: 2581939 (1952-01-01), Deist et al.
patent: 4198554 (1980-04-01), Wayne
patent: 4298324 (1981-11-01), Soulier
patent: 4481159 (1984-11-01), Itoh
patent: 4544339 (1985-10-01), Itoh
patent: 5376317 (1994-12-01), Mause et al.
patent: 5411686 (1995-05-01), Hata

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